build: fix check-exports.sh for ppc64 arch

On ppc64, `nm` reports the exported symbols as 'D' instead of 'T'.
This caused `make check` to fail.

  "D" The symbol is in the initialized data section.
  "T" The symbol is in the text (code) section.

diff --git a/tools/check-exports.sh b/tools/check-exports.sh
index 2049d0b..dfd882c 100755 (executable)
--- a/tools/check-exports.sh
+++ b/tools/check-exports.sh
@@ -13,7 +13,7 @@ TMPFILE="$(mktemp .nm-check-exports.XXXXXX)"
 
 get_syms() {
     nm "$1" |
-    sed -n 's/^[[:xdigit:]]\+ T //p' |
+    sed -n 's/^[[:xdigit:]]\+ [DT] //p' |
     sort
 }